Maia Mitchell is all smiles while chatting about the Phineas and Ferb Musical Cliptastic Countdown in this exclusive sneak peek.

“Working in animation is totally different from anything I’ve ever done,” Maia, 17, dished in our exclusive clips below. “It’s cool. We’re in front of a green screen, so that’s different and speaking to characters who aren’t actually there is cool. You have to use your imagination.”

Airing TONIGHT @ 9:30PM ET/PT on Disney Channel, the special is hosted by Kelly Osbourne, Dr. Doofenshmirtz and Major Monogram (voiced by creators Dan Povenmire and Swampy Marsh) and counts down the top 10 “Phineas and Ferb” music videos based on popular votes.